40970878 has 32 divisors (see below), whose sum is σ = 70187040. Its totient is φ = 17781120.

The previous prime is 40970869. The next prime is 40970879. The reversal of 40970878 is 87807904.

It is a super-2 number, since 2×40970878² = 3357225688181768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40970879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97108 + ... + 97528.

It is an arithmetic number, because the mean of its divisors is an integer number (2193345).

Almost surely, 2^40970878 is an apocalyptic number.

40970878 is a deficient number, since it is larger than the sum of its proper divisors (29216162).

40970878 is a wasteful number, since it uses less digits than its factorization.

40970878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 40970878 is about 6400.8497873329. The cubic root of 40970878 is about 344.7400632517.

The spelling of 40970878 in words is "forty million, nine hundred seventy thousand, eight hundred seventy-eight".